Home / 41,439.80-57,207.35-28,702.65

Finding the Fourth Proportional to 41,439.80, 57,207.35 and 28,702.65

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Solution

The fourth proportional to 41,439.80, 57,207.35 and 28,702.65 is: 39,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,439.80 : 57,207.35 = 28,702.65 : x
  2. Step 2: Convert to fraction form
    41,439.80/57,207.35 = 28,702.65/x
  3. Step 3: Cross multiply
    41,439.80x = 57,207.35 × 28,702.65
  4. Step 4: Simplify right side
    41,439.80x = 1,642,002,400.96
  5. Step 5: Solve for x
    x = 1,642,002,400.96/41,439.80
  6. Step 6: Final answer
    x = 39,623.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.